Michael Plant wrote:
> I personally like those "fishy" Senchas. My
> theory is that they are not "fishy" at all, but
> rather impart the smell of the sea and the
> seaweed in and among which fish swim. It's
> the fish association, not the fish per se. Well,
> I could be wrong and probably am.

You're probably right. The dominant note in "fishy" smell is
trimethylamine. I believe that fish and other marine organisms replace
some of their sodium with ammonium ions to reduce density for buoyancy
control. Seaweed, AFAIK, does not emit such amines. It's all
association, as you say.

-DM